Home / 189,638,751.48-284,485,199.70-58,492,065.72

Finding the Fourth Proportional to 189,638,751.48, 284,485,199.70 and 58,492,065.72

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Solution

The fourth proportional to 189,638,751.48, 284,485,199.70 and 58,492,065.72 is: 87,746,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,638,751.48 : 284,485,199.70 = 58,492,065.72 : x
  2. Step 2: Convert to fraction form
    189,638,751.48/284,485,199.70 = 58,492,065.72/x
  3. Step 3: Cross multiply
    189,638,751.48x = 284,485,199.70 × 58,492,065.72
  4. Step 4: Simplify right side
    189,638,751.48x = 16,640,126,997,219,724
  5. Step 5: Solve for x
    x = 16,640,126,997,219,724/189,638,751.48
  6. Step 6: Final answer
    x = 87,746,448.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.